fix: fix unicode escaping install commandss (#10)

Author: jaredLunde

runtime/php.go

@@ -123,27 +123,12 @@ func (d *PHP) GenerateDockerfile(path string) ([]byte, error) {
   See https://flexstack.com/docs/languages-and-frameworks/autogenerate-dockerfile`, *version, installCMD, buildCMD, startCMD),
 	)
 
-	if installCMD != "" {
-		installCMDJSON, _ := json.Marshal(installCMD)
-		installCMD = string(installCMDJSON)
-	}
-
-	if buildCMD != "" {
-		buildCMDJSON, _ := json.Marshal(buildCMD)
-		buildCMD = string(buildCMDJSON)
-	}
-
-	if startCMD != "" {
-		startCMDJSON, _ := json.Marshal(startCMD)
-		startCMD = string(startCMDJSON)
-	}
-
 	var buf bytes.Buffer
 	if err := tmpl.Option("missingkey=zero").Execute(&buf, map[string]string{
 		"Version":    *version,
-		"InstallCMD": installCMD,
-		"BuildCMD":   buildCMD,
-		"StartCMD":   startCMD,
+		"InstallCMD": safeCommand(installCMD),
+		"BuildCMD":   safeCommand(buildCMD),
+		"StartCMD":   safeCommand(startCMD),
 	}); err != nil {
 		return nil, fmt.Errorf("Failed to execute template")
 	}
@@ -160,7 +145,7 @@ COPY . .
 
 ARG INSTALL_CMD={{.InstallCMD}}
 ARG BUILD_CMD={{.BuildCMD}}
-RUN if [ ! -z "${INSTALL_CMD}" ]; then $INSTALL_CMD; fi
+RUN if [ ! -z "${INSTALL_CMD}" ]; then echo "${INSTALL_CMD}" > dep.sh; sh dep.sh; fi
 RUN if [ ! -z "${BUILD_CMD}" ]; then $BUILD_CMD; fi
 
 FROM php:${VERSION}-apache AS runtime

runtime/php_test.go

@@ -60,7 +60,7 @@ func TestPHPGenerateDockerfile(t *testing.T) {
 		{
 			name:     "PHP project with composer",
 			path:     "../testdata/php-composer",
-			expected: []any{`ARG VERSION=5.3`, `ARG INSTALL_CMD="composer update \u0026\u0026 composer install --prefer-dist --no-dev --optimize-autoloader --no-interaction"`, regexp.MustCompile(`^ARG BUILD_CMD=$`), `ARG START_CMD="apache2-foreground`},
+			expected: []any{`ARG VERSION=5.3`, `ARG INSTALL_CMD="composer update && composer install --prefer-dist --no-dev --optimize-autoloader --no-interaction"`, regexp.MustCompile(`^ARG BUILD_CMD=$`), `ARG START_CMD="apache2-foreground`},
 		},
 		{
 			name:     "PHP project with NPM",

runtime/python.go

@@ -3,7 +3,6 @@ package runtime
 import (
 	"bufio"
 	"bytes"
-	"encoding/json"
 	"fmt"
 	"log/slog"
 	"os"
@@ -146,21 +145,11 @@ func (d *Python) GenerateDockerfile(path string) ([]byte, error) {
   See https://flexstack.com/docs/languages-and-frameworks/autogenerate-dockerfile`, *version, installCMD, startCMD),
 	)
 
-	if installCMD != "" {
-		installCMDJSON, _ := json.Marshal(installCMD)
-		installCMD = string(installCMDJSON)
-	}
-
-	if startCMD != "" {
-		startCMDJSON, _ := json.Marshal(startCMD)
-		startCMD = string(startCMDJSON)
-	}
-
 	var buf bytes.Buffer
 	if err := tmpl.Option("missingkey=zero").Execute(&buf, map[string]string{
 		"Version":    *version,
-		"InstallCMD": installCMD,
-		"StartCMD":   startCMD,
+		"InstallCMD": safeCommand(installCMD),
+		"StartCMD":   safeCommand(startCMD),
 	}); err != nil {
 		return nil, fmt.Errorf("Failed to execute template")
 	}
@@ -178,7 +167,7 @@ RUN chown -R nonroot:nonroot /app
 
 COPY --chown=nonroot:nonroot . .
 ARG INSTALL_CMD={{.InstallCMD}}
-RUN if [ ! -z "${INSTALL_CMD}" ]; then $INSTALL_CMD; fi
+RUN if [ ! -z "${INSTALL_CMD}" ]; then echo "${INSTALL_CMD}" > dep.sh; sh dep.sh;  fi
 
 ENV PORT=8080
 ENV PYTHONDONTWRITEBYTECODE=1

runtime/python_test.go

@@ -103,7 +103,7 @@ func TestPythonGenerateDockerfile(t *testing.T) {
 			path: "../testdata/python-pyproject",
 			expected: []any{
 				`ARG VERSION=3.12`,
-				`ARG INSTALL_CMD="pip install --upgrade build setuptools \u0026\u0026 pip install .`,
+				`ARG INSTALL_CMD="pip install --upgrade build setuptools && pip install .`,
 				`ARG START_CMD="python -m pyproject"`,
 			},
 		},

runtime/ruby.go

@@ -3,7 +3,6 @@ package runtime
 import (
 	"bufio"
 	"bytes"
-	"encoding/json"
 	"fmt"
 	"log/slog"
 	"os"
@@ -117,27 +116,12 @@ func (d *Ruby) GenerateDockerfile(path string) ([]byte, error) {
   See https://flexstack.com/docs/languages-and-frameworks/autogenerate-dockerfile`, *version, packageManager, installCMD, buildCMD, startCMD),
 	)
 
-	if installCMD != "" {
-		installCMDJSON, _ := json.Marshal(installCMD)
-		installCMD = string(installCMDJSON)
-	}
-
-	if buildCMD != "" {
-		buildCMDJSON, _ := json.Marshal(buildCMD)
-		buildCMD = string(buildCMDJSON)
-	}
-
-	if startCMD != "" {
-		startCMDJSON, _ := json.Marshal(startCMD)
-		startCMD = string(startCMDJSON)
-	}
-
 	var buf bytes.Buffer
 	if err := tmpl.Option("missingkey=zero").Execute(&buf, map[string]string{
 		"Version":    *version,
-		"InstallCMD": installCMD,
-		"BuildCMD":   buildCMD,
-		"StartCMD":   startCMD,
+		"InstallCMD": safeCommand(installCMD),
+		"BuildCMD":   safeCommand(buildCMD),
+		"StartCMD":   safeCommand(startCMD),
 	}); err != nil {
 		return nil, fmt.Errorf("Failed to execute template")
 	}
@@ -159,7 +143,7 @@ ENV NODE_ENV=production
 RUN chown -R nonroot:nonroot /app
 COPY --chown=nonroot:nonroot . .
 
-RUN if [ ! -z "${INSTALL_CMD}" ]; then $INSTALL_CMD; fi
+RUN if [ ! -z "${INSTALL_CMD}" ]; then echo "${INSTALL_CMD}" > dep.sh; sh dep.sh;  fi
 RUN  if [ ! -z "${BUILD_CMD}" ]; then $BUILD_CMD; fi
 
 ENV PORT=8080

runtime/ruby_test.go

@@ -92,7 +92,7 @@ func TestRubyGenerateDockerfile(t *testing.T) {
 			path: "../testdata/ruby-rails",
 			expected: []any{
 				`ARG VERSION=3.1`,
-				`ARG INSTALL_CMD="bundle install \u0026\u0026 corepack enable pnpm \u0026\u0026 pnpm i --frozen-lockfile"`,
+				`ARG INSTALL_CMD="bundle install && corepack enable pnpm && pnpm i --frozen-lockfile"`,
 				`ARG BUILD_CMD="bundle exec rake assets:precompile"`,
 				`ARG START_CMD="bundle exec rails server -b 0.0.0.0 -p ${PORT}`,
 			},